Value Per Nutrient Food 2.40 g 100 grams Leucine Veal, composite of trimmed retail cuts, separable lean and fat, cooked 2.40 g 100 grams Leucine Turkey, fryer-roasters, breast, meat only, cooked, roasted 2.39 g 100 grams Leucine Ground turkey, fat free, patties, broiled 2.39 g 100 grams Leucine Beef, chuck, arm pot roast, separable lean and fat, trimmed to 1/8" fat, choice, cooked, braised 2.39 g 100 grams Leucine Lamb, New Zealand, imported, frozen, foreshank, separable lean only, cooked, braised 2.39 g 100 grams Leucine Pork, fresh, loin, center rib (chops), bone-in, separable lean only, cooked, braised 2.39 g 100 grams Leucine Pork, fresh, loin, tenderloin, separable lean and fat, cooked, broiled 2.39 g 100 grams Leucine Seeds, pumpkin and squash seed kernels, roasted, with salt added